有很大区别: not a little = many, much 很大,很多,非常多 not a bit = not at all = not one bit = 一点也不 It is not a little money that I lost 我失去的钱其实很多 but I was not a bit worried about the loss 但是为这我一点也不担忧
a bit修饰形容词(例如a bit sweet),a little是修饰不可数名词(强调有,表肯定,例如a little cola),ago是指多少天/月/年等以前(多在句尾,例如ten years ago),before是指在什么什么以前属连词(多在句中,例如She had her breakfast before she left.),by the way意思是顺便问一句)(多在居首),on...